is a programming Lang

framework for building applications on Windows

CLR (Common Language Runtime)

Class Library

consists of building blocks called Classes

Attributes

Functions/Methods

way to organize Classes

container for related classes

way of partitioning an application

container for related namespaces/classes

File on disk

compiler builds 1 or more assemblies(depending on how code is partition)

Ctrl + F5

Ctrl + X

Alt + Enter

Get rid of unused "using" namespaces

Ctrl + Shift + B

Name given to a storage location in memory

Use Camel Case

Immutable value

const float Pi = 3.14f;

Use Pascal Case

byte

int

long

decimal

char

bool

checked { byte number = 255; number = number +1; // 0}

double

need to append 'f' behind the decimal number

Shortcut for "Console.WriteLine()"

"Ctrl + click" on keywords

Eg.

No data lose

Eg.

Data will be lost if the "type" is beyond the capacity

Eg.

use

try/catch

Add

Subtract

Multiple

Divide

Remainder

Increment

Decrement

Prefix

Postfix

Equal

Not Equal

Greater than

Greater than or equal to

Less than

Less than or equal to

Assignment

Addition

Subtraction

Multiplication

Division

And

Or

Not

for low level Programming

And

Or

ONLY if both are true, it's true

If ANY of the both is true, it's true

Eg.

use

Single-line

Multi-line

instance of a Class

Access modifier

"class" keyword

identifier

public class Person{ public string Name; public void Introduce() { Console.WriteLine("Hi, my name is " + Name); }}

Eg.

can directly access the method through the Class itself, w/o creating an Object

Eg.

select the class

Ctrl + tab

public struct RgbColor{ public int Red; public int Green; public int Blue;}

Data structure to store a collection of variables of the same type

Eg.

Eg.

Eg.

sequence of characters

Eg.

Using

Eg.

Once Created, CANNOT change!

Use

Eg.

Use

Eg.

string

int

Eg.

A set of name/value pairs (constants)

you've a number of related constants

public enum ShippingMethod{ RegularAirMail = 1, RegisteredAirMail = 2, Express = 3;}

Internally an Integer

How to change to byte?

Eg.

Convert to Int

Convert to String

Convert to Enum

Eg.

Eg.

for which we create new types

What are they?

Copying of reference types & value types are different